Properties Of Solids And Liquids Question 59
Question: A block of mass 100 gm slides on a rough horizontal surface. If the speed of the block decreases from 10 m/s to 5 m/s, the thermal energy developed in the process is [UPSEAT 2002]
Options:
A) 3.75 J
B) 37.5 J
C) 0.375 J
D) 0.75 J
Show Answer
Answer:
Correct Answer: A
Solution:
According to energy conservation, change in kinetic energy appears in the form of heat (thermal energy). therefore i.e. Thermal energy